import pandas as pd

df = pd.read_csv('./workspace/data.csv')

# 剔除敏感隐私字段
privacy_cols = ['所用时间', '来源', '来源详情', '来自IP']
df = df.drop(columns=[col for col in privacy_cols if col in df.columns])

df.to_csv('data_cleaned.csv', index=False)